> For the complete documentation index, see [llms.txt](https://docs.streamavatars.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class.md).

# Helper Class

- [createCooldown](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/createcooldown.md): API -
- [checkCooldown](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/checkcooldown.md): API -
- [setCooldown](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/setcooldown.md)
- [cooldownTimeLeft](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/cooldowntimeleft.md): API -
- [startsWith](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/startswith.md): API -
- [replace](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/replace.md): API -
- [split](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/split.md): API -
- [randomElement](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/randomelement.md): API -
- [hasValue](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/hasvalue.md): API - useful for checking if an array contains a value
- [matchRegex](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/helper-class/matchregex.md): API - useful for checking if an array contains a value